Usher is officially OG Status. The R&B singer is currently on his 27-city UR Experience Tour with special guests August Alsina and DJ Cassidy. Last night, Ursh performed in the Staples Center in L.A., and brought out 2014 XXL Freshman, Alsina who performed "I Luv It." Then, to the surprise of the crowd, Chris Brown made an appearance singing his hit "Loyal" and the Usher collab, "New Flame."

Check out the footage, above.

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